This Snap-on box-end wrench is a quality tool made in the United States. It features a 12 point ratcheting system and is designed for use with SAE measurements. The wrench is a single item, measuring 1/2" x 9/16" in size. It is ideal for automotive and other mechanical applications and comes from a trusted brand. The unit comes with no warranty, but its durability and performance make it a reliable addition to any toolbox.